The pie charts below show the percentages of books sold by the booksellers in Britain from 1972, 1992 and 2012.

Summarize the information by selecting and reporting main features, and make comparisons where relevant.

Task 2 International travel often leads people to have some prejudice, rather than broad mind. What are the main reasons of this phenomenon? What do you suggest people getting better understanding the coutries they visit?

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